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Rounding Error

   Also found in: Dictionary/thesaurus, Idioms, Wikipedia 0.01 sec.
rounding error [′rau̇nd·iŋ ‚er·ər]
(mathematics)
The computational error due to always rounding numbers in a calculation. Also known as round-off error.

Rounding Error 

the absolute value of the difference between a given number a and the number a* obtained when a is rounded.



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Even the dog of the banking sector Citigroup, seems to have shed a few fleas for the quarter and eked out a small profit of $101 million, (barely the rounding error on the other banks results, but a profit nonetheless.
Two insights were thus gained: one, that a number can be expressed in many ways, not simply as a unique numeral, and that often this could be more mathematically useful than the unique solution; and, two, that rounding errors accumulated rapidly if one simply tried to carry out each intermediate calculation, and rounded these to a convenient number of decimal places.
From this perspective, the 100,000-year history of the human species is a minor rounding error.
 
 
 
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